I have a feeling Buffett will sell a double digit % of Berkshire's stake in Apple Inc in this relief rally, and once their Q1 report shows this, AAPL is heading to double digits. If not, this is going to look like their Heinz deal which will make big headlines (Bad with a capital B) and scare more people into selling.
Without Steve Jobs, Apple has been a laggard and a poor innovator (The "touch bar" and the notch was such a disaster for developers, so much wasted time and money having to deal with such a useless gimmick). I could go on and on about things like this; one thing I will mention is the removal of the fingerprint reader, it's very cumbersome using Apple pay where you to have to point your phone at your face, then tap. Meanwhile, competitors devices fold in half, have fingerprint readers built-in to the side power buttons. Apple also finally admitted the Microsoft really outdid them with the Surface and their stance on tablets. Apple is a disaster at this point and it's unbelievable to me that it's Berkshire's largest holding. Add the possibility that the untested wearables are literally in your brain (Airpods) and touching the thinnest most sensitive parts of your body (Apple watch) and there are some alarming headlines that may surface (once short sellers can fund some FUD studies).
/End Rant
I might even go as far to say it's what puts Warren into retirement. He actually just switched from his old flip phone to his first iPhone the last couple months. It's telling that he has no grip on technology let alone being able to discern what makes Apple's tech so bad.